This will go to a vote in the Dail tomorrow. If you’re in Ireland, would you consider emailing or calling your TDs today?
As Ireland is such a small country, it only takes a few people to call or email for them to take note.
Find your TDs listed here (edited link): https://www.oireachtas.ie/en/members/tds/
I think that's Melilotus officinalis, which was introduced to the US as a forage crop. The common name is sweet clover because the leaves contain coumarin, which smells like vanilla.
https://en.m.wikipedia.org/wiki/Melilotus_officinalis